this post was submitted on 23 Mar 2026
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Hey! I do this by setting my freezer temp to the lowest possible when my panels produce excess electricity. Then back to normal for the night, the 6C difference is enough to not use additional power until the sun comes up again.
One day I will automate this.... one day
How the heck would you automate it? Wiring directly to the buttons in the freezer? I don't have solar yet but it's an interesting idea to remember
The fridge has wifi and an app for all those times when you're on the road and feel the urge to change your fridge/freezer settings. I haven't used it yet and am hesitant to let it go online. But I'm hoping I can still connect the fridge to my wifi locally and control it that way. From there I hope If (sunny) (set freezer to -24C) ELSE (set freezer to -18C) will work.
Ahh I forgot about wifi. Yeah I'd be hesitant, too. Did you check the home assistant site to see if someone's done it before?
Had a quick look and it seems to be easy if I take the fridge online, that would be a deal breaker so will need to do some digging about just keeping it connected locally